diff --git a/include/osmocom/abis/e1_input.h b/include/osmocom/abis/e1_input.h
index a38bab8..8230e44 100644
--- a/include/osmocom/abis/e1_input.h
+++ b/include/osmocom/abis/e1_input.h
@@ -285,6 +285,9 @@
 			 void (*hdlc_recv_cb)(struct e1inp_ts *ts,
 					      struct msgb *msg));
 
+/* obtain a string identifier/name for the given timeslot */
+void e1inp_ts_name(char *out, size_t out_len, const struct e1inp_ts *ts);
+
 /* Receive a packet from the E1 driver */
 int e1inp_rx_ts(struct e1inp_ts *ts, struct msgb *msg,
 		uint8_t tei, uint8_t sapi);